diff options
Diffstat (limited to 'src/plugins/Output')
| -rw-r--r-- | src/plugins/Output/waveout/outputwaveout.cpp | 8 | ||||
| -rw-r--r-- | src/plugins/Output/waveout/outputwaveout.h | 2 | ||||
| -rw-r--r-- | src/plugins/Output/waveout/outputwaveoutfactory.cpp | 11 |
3 files changed, 19 insertions, 2 deletions
diff --git a/src/plugins/Output/waveout/outputwaveout.cpp b/src/plugins/Output/waveout/outputwaveout.cpp index 25791ff64..dc058ee6e 100644 --- a/src/plugins/Output/waveout/outputwaveout.cpp +++ b/src/plugins/Output/waveout/outputwaveout.cpp @@ -260,3 +260,11 @@ VolumeSettings VolumeWaveOut::volume() const vol.right = (long)HIWORD(data) * 100 / 0xFFFF + 1;
return vol;
}
+
+bool VolumeWaveOut::isSupported() const
+{
+ WAVEOUTCAPS waveCaps;
+ if(waveOutGetDevCaps(0,(LPWAVEOUTCAPS)&waveCaps, sizeof(WAVEOUTCAPS)) != MMSYSERR_NOERROR)
+ return false;
+ return (waveCaps.dwSupport & WAVECAPS_VOLUME) != 0;
+}
diff --git a/src/plugins/Output/waveout/outputwaveout.h b/src/plugins/Output/waveout/outputwaveout.h index 22e437a81..b6f924787 100644 --- a/src/plugins/Output/waveout/outputwaveout.h +++ b/src/plugins/Output/waveout/outputwaveout.h @@ -59,6 +59,8 @@ public: void setVolume(const VolumeSettings &vol);
VolumeSettings volume() const;
+
+ bool isSupported() const;
};
diff --git a/src/plugins/Output/waveout/outputwaveoutfactory.cpp b/src/plugins/Output/waveout/outputwaveoutfactory.cpp index 62d8a8f32..ee282147e 100644 --- a/src/plugins/Output/waveout/outputwaveoutfactory.cpp +++ b/src/plugins/Output/waveout/outputwaveoutfactory.cpp @@ -1,5 +1,5 @@ /***************************************************************************
- * Copyright (C) 2009-2012 by Ilya Kotov *
+ * Copyright (C) 2009-2013 by Ilya Kotov *
* forkotov02@hotmail.ru *
* *
* This program is free software; you can redistribute it and/or modify *
@@ -40,7 +40,14 @@ Output* OutputWaveOutFactory::create() Volume *OutputWaveOutFactory::createVolume()
{
- return new VolumeWaveOut();
+ VolumeWaveOut *vol = new VolumeWaveOut();
+ if(!vol->isSupported())
+ {
+ qDebug("OutputWaveOutFactory: device doesn't support volume control");
+ delete vol;
+ return 0;
+ }
+ return vol;
}
void OutputWaveOutFactory::showSettings(QWidget* parent)
|